JPH0160616U

JPH0160616U -

Info

Publication number: JPH0160616U
Application number: JP15722287U
Authority: JP
Priority date: 1987-10-13
Filing date: 1987-10-13
Publication date: 1989-04-18

Description

[Brief explanation of drawings]

第１図はトラクターに対する作業機の連結状態
を示す全体側面図、第２図はその要部の拡大側面
図、第３図は同じく分解状態の要部を示す斜面図
、第４図はドツキングヒツチを抽出して示す拡大
背面図、第５図はそのガイドマーカーの取付位置
関係と作業機の着脱作用を示す側面説明図、第６
，７図は第１，２図と対応する連結作用過程の各
側面図である。１２……トツプリンク、１３，１５，２３，２
４……連結ピン、１４……ロワーリンク、１６…
…油圧シリンダー装置、１９……ドツキングヒツ
チ、２１，２２……吊持フツク、３０……ロワー
ピン、３３……トツプピン、４１……ガイドマー
カー、４２……取付枠、４３……規制バー、４４
……廻り止めピン、４５……切欠、Ｔ……トラク
ター機体、Ｉ……作業機、Ｒ……回転半径寸法、
Ｄ，Ｌ１，Ｌ２……張り出し長さ寸法、Ｓ１，Ｓ
２……間隙、Ｘ―Ｘ……水平基準面、θ……交叉
角度。 Figure 1 is an overall side view showing how the work equipment is connected to the tractor, Figure 2 is an enlarged side view of the main parts, Figure 3 is a perspective view showing the main parts in disassembled state, and Figure 4 shows the docking hitch. FIG. 5 is an enlarged rear view extracted and shown, FIG.
, 7 are side views of the connection process corresponding to FIGS. 1 and 2. 12... Top link, 13, 15, 23, 2
4...Connecting pin, 14...Lower link, 16...
... Hydraulic cylinder device, 19 ... Docking hitch, 21, 22 ... Hanging hook, 30 ... Lower pin, 33 ... Top pin, 41 ... Guide marker, 42 ... Mounting frame, 43 ... Regulation bar, 44
... Rotation stop pin, 45 ... Notch, T ... Tractor body, I ... Work equipment, R ... Rotation radius dimension,
D, L1, L2... Overhang length dimension, S1, S
2...Gap, X-X...Horizontal reference plane, θ...Cross angle.

Claims

[Claims for Utility Model Registration] 1. A docking hitch 19 for attaching and detaching a working machine, which has a generally A-shaped overall frame structure when viewed from the front and rear directions.
, the hydraulic cylinder device 1 on the tractor body T
a top link 12 that is raised and lowered by 6;
Pivotally connected to the rear ends of the pair of left and right lower links 14, the upper and lower ends of the docking hitches 19 respectively correspond to the top pin 33 and lower pin 30 on the working machine I side, and both pins 30, In a tractor work equipment coupling device in which lifting hooks 21 and 22, which are removably engaged with a docking hitch 19, are attached with both hanging hooks 21 and 22 fixedly extended to the rear, a lifting hook 21 and 22 is attached to the upper end of the docking hitch 19. Together with the holding hook 21, the top pin 33 on the work machine I side is received, and the top pin 33 is
A safety device for connecting a working machine in a tractor, characterized in that a guide marker 41, which is supposed to restrict the descent of a docking hitch 19 by quickly contacting it from above, is also installed in a fixed state extending rearward. 2 Place the guide marker 41 on the docking hitch 1.
Claims for registration of a utility model, characterized in that the connecting pin 23 of the top link 12 to the top link 12 is also used as the connecting pin 23 and is detachably fixed to the upper end of the docking hitch 19. safety equipment. 3. Set the rearward projecting length D of the guide marker 41 based on the rotation radius R of the top link 12 to the rear of the upper hanging hook 21, also based on the rotation radius R of the top link 12. The scope of the utility model registration claim is characterized in that the length of the overhang L1 is set to be longer by a certain amount W.
A safety device for connecting a working machine in the tractor according to item 1. 4 Place the guide marker 41 on the dotting hitch 1.
9 and the top link 12 with respect to the horizontal reference plane XX passing through the connection point between the top link 12 and the top link 12. Safety device for connecting the work equipment in the tractor described in Section 1. 5 Place the guide marker 41 on the docking hitch 1.
9, its upper hanging hook 21, and top pin 3
3. A safety device for connecting a working machine in a tractor according to claim 1, characterized in that the device is colored in a different color from surrounding members such as 3.